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220results about How to "Improve cooling uniformity" patented technology

Flow control method and system for electric vehicle-mounted power battery liquid cooling system

The invention belongs to the technical field of power battery cooling, and particularly relates to a flow control method and system for a liquid cooling system of an electric vehicle-mounted power battery, and the method comprises the steps: carrying out the parameterization of a geometric model of the liquid cooling system; establishing an equipment resistance model based on the equipment flow resistance characteristics; initializing flow distribution, constructing a dynamic flow distribution model, calculating the flow of each node and judging whether the flow meets a target requirement or not, and if not, readjusting the flow; calculating the resistance of each section, determining the total resistance of the pipeline, and checking the water pump lift; the flow uniformity is judged by calculating the pipeline resistance between the nodes, and if the flow is not uniform, the flow is redistributed or the pipeline design is optimized until the flow is uniform. Through flow control, the problems of non-uniform flow distribution and poor temperature consistency of multiple battery packs in the prior art are solved, the optimal working state of the power battery is ensured, overheating and overlarge temperature difference are avoided, and the operation efficiency, stability, durability and safety are improved.
Owner:HUNAN UNIV

Method for improving cooling effect of pole winding based on mixed-flow fan

The invention discloses a method for improving the cooling effect of a pole winding based on a mixed-flow fan, and belongs to the technical field of cooling of high-rotating-speed and high-capacity hydraulic generators and pumped storage generator motors. Mixed-flow fans are arranged at the two ends of a magnetic yoke, and cooling air is divided into radial cooling air for cooling coils at the ends of the magnetic poles and axial cooling air entering the outer surfaces between the magnetic poles. An interelectrode outer surface ventilation cooling space is formed between every two adjacent pole windings, interelectrode ventilation partition plates which are axially arranged are arranged in the interelectrode outer surface ventilation cooling spaces, and separated axial ventilation air channels are formed by the interelectrode ventilation partition plates and the outer surfaces of the pole windings; therefore, rotor pole winding cooling of a high-rotating-speed and high-capacity hydro-generator and a pumped storage generator motor in which radial ventilation cooling cannot be adopted in a pole winding interelectrode area is ensured, and the problem that the difference between the cooling effects of the windward side and the leeward side of a traditional structure is large is solved.
Owner:DONGFANG ELECTRIC MACHINERY

Heat treatment method for improving structure and performance uniformity of railway wheel

The invention discloses a heat treatment method for improving the structure and performance uniformity of a railway wheel, and belongs to the technical field of railway wheel manufacturing. The heat treatment method comprises the following steps that the whole wheel is heated to be completely austenitized; the method comprises the following steps: spraying and quenching a wheel tread by adopting flow increasing type cooling water, gradually increasing the flow L of the cooling water of each spray gun along with the prolonging of spraying and quenching time t, controlling the flow L and the flow L to meet a specific linear function relationship, and keeping for at least 90 seconds after the peak water flow is reached; the wheel is in a self-rotating state in the spray quenching process; and the wheel is integrally put into a tempering furnace for heat preservation and then taken out for air cooling. According to the method, accurate cooling water flow linear increase control is carried out for wheels with different rim thicknesses, the balanced change of radial cooling of the rim part is realized, and the uniformity of the total cross-section structure and performance of the rim is ensured.
Owner:MAANSHAN MAGANG JINXI RAIL TRANSPORT EQUIP

Reflecting lamp holder, wafer heating assembly and epitaxial growth equipment

The utility model discloses a reflector lamp holder, a wafer heating assembly and epitaxial growth equipment. The wafer heating assembly comprises a reflector lamp holder, a wafer heating element and a wafer heating element, a lamp holder body of the reflecting lamp holder is divided into at least two areas in the circumferential direction. A first reflection groove, a second reflection groove,... an ith reflection groove are formed in each area along the radial direction of the lamp holder body from the edge to the center of the lamp holder body; the shapes of the cross sections of the i reflection grooves in the adjacent areas are different, and the i reflection grooves in the adjacent areas are arranged in a staggered manner; and at least one heating lamp is arranged in each reflecting groove. According to the utility model, the reflection direction of each i-th reflection groove to infrared heat radiation is adjusted, the transmission path of the infrared heat radiation is accurately controlled, the temperatures of different positions on the surface of the wafer are further adjusted, and the temperature uniformity of the surface of the wafer is improved.
Owner:ADVANCED MICRO FAB EQUIP INC CHINA

Injection mold convenient to demold

ActiveCN119283319AMeet the cooling needs of different partsgood dimensional stabilityWater vaporCatheter
The invention provides an injection mold convenient to demold, and belongs to the technical field of injection molds, the injection mold convenient to demold comprises a fixed mold base, a movable mold base and a mounting plate mounted at the bottom of the fixed mold base, and further comprises a gradient cooling assembly and a magnetic sealing assembly; according to the mold, the gradient cooling assembly and the magnetic sealing assembly are integrated, a stepped cooling environment is created at the fixed mold core and the movable mold core, the cooling requirements of different parts of an injection molding part are met, and the quality of the injection molding part is improved; when the mold is not closed, the liquid guide pipe is tightly sealed by the ball plug, so that external dust or water vapor is effectively prevented from entering the mold, and meanwhile, a stepped cooling environment is favorably created; the magnetic sealing assembly can achieve dynamic sealing between the liquid guide pipe and the liquid guide opening in the mold closing and separating process of the mold, and when the mold is closed, cooling liquid is prevented from flowing through a gap; and when the mold is separated, the air bag is gradually deflated and is recovered to an unsaturated state, so that the liquid guide pipe can be conveniently drawn out, the friction force is reduced, and the wear degree of the air bag is reduced.
Owner:ZHONGSHAN DAZHAN PRECISION MOLD CO LTD

Energy storage cabinet and energy storage system

The utility model provides an energy storage cabinet and an energy storage system.The energy storage cabinet comprises a cabinet body, a plurality of battery packs and a fire fighting assembly, the battery packs and the fire fighting assembly are contained in the cabinet body, the battery packs are arranged in the height direction of the cabinet body, and the fire fighting assembly comprises a fire fighting pipeline and a plurality of spraying devices; each spraying device is communicated with the fire-fighting pipeline, the fire-fighting pipeline is fixed on the inner wall of the cabinet body, the fire-fighting pipeline is used for conveying a fire-fighting agent, each spraying device is used for spraying the fire-fighting agent, the spraying devices are arranged in at least one row, the direction of the row is parallel to the height direction, and the height direction of the fire-fighting pipeline is parallel to the height direction. And each spraying device is correspondingly arranged at an interval between two adjacent battery packs. According to the energy storage cabinet and the energy storage system provided by the embodiment of the invention, the cooling uniformity in the energy storage cabinet can be improved, and the risk of thermal runaway is reduced.
Owner:HUAWEI DIGITAL POWER TECH CO LTD

Radiator structure and controller power brick

The invention provides a radiator structure and a controller power brick, and the radiator structure comprises a cold plate body which is provided with a plurality of installation holes; a liquid inlet area, a cooling area and a liquid discharge area which are communicated in sequence are arranged in the cold plate body, and the liquid inlet area and the liquid discharge area are respectively communicated with a liquid inlet port and a liquid discharge port; a plurality of patterned protrusions dividing the cooling area into a plurality of cooling flow channels are arranged in the cooling area in a protruding mode. The cooling flow channel comprises at least one of a first medium flow channel and a second medium flow channel, the first medium flow channel is arranged in a linear extension mode in the direction of a connecting line between the liquid inlet port and the liquid outlet port, and the second medium flow channel is arranged in an S-shaped winding mode; according to the application, at least one of the first medium flow channel and the second medium flow channel is applied to the cold plate body, so that the flowing state of the cooling medium flowing into the cooling area can be regulated and controlled, and the cooling efficiency and the cooling uniformity of the radiator structure can be improved.
Owner:格至达智能科技(江苏)有限公司

Drying and cooling all-in-one machine and drying and cooling method

The invention belongs to the field of powder material processing, and particularly relates to a drying and cooling all-in-one machine and a drying and cooling method.The drying and cooling all-in-one machine is characterized in that a fluidized drying section, a fluidized cooling section and a gravity cooling section are arranged in a shell body from top to bottom, so that materials of the fluidized drying section and the fluidized cooling section are in a fluidized state; by means of the arrangement, materials fed from the feeding port are rapidly spread in the horizontal direction, even particle distribution is formed in the cross section of the shell body, the materials downwards, evenly and integrally pass through the gravity cooling section, and uneven cooling caused by material segregation and different cooling speeds of all the materials is eliminated; the high heat and mass transfer rate brought by material fluidization is utilized, and the materials are efficiently dried in the drying section; and damp and hot gas can be effectively replaced in the fluidization cooling section, so that material scabbing is avoided. After the material subjected to fluidized drying, cooling and dry gas replacement enters the gravity cooling section, a refrigerant with lower temperature can be adopted for cooling, and meanwhile, the cooling efficiency and the cooling effect are improved.
Owner:SHANDONG HONOR ENERGY TECH CO LTD

High polymer material injection molding cooling device

ActiveCN222328954URapid injection molding cooling processImprove processing qualityCold airCooling coil
The utility model discloses a high polymer material injection molding cooling device which comprises an injection molding cooling device body, an upper cooling box and a lower cooling box are arranged on the injection molding cooling device body, and the upper side and the lower side of the upper cooling box are connected with an upper installation base and an injection molding upper mold respectively. The upper side and the lower side of the lower cooling box are connected with a lower injection mold and a lower mounting base correspondingly, cavity structures are formed in the positions, close to the upper injection mold and the lower injection mold, in the upper cooling box and the lower cooling box correspondingly, and cooling coil pipes, heating modules, connecting pipes and cooling ring pipes are mounted in cavities of the upper cooling box and the lower cooling box; the side faces of the upper mounting base and the lower mounting base are each provided with a circle of exhaust pipe and a cold air inlet pipe. According to the high polymer material injection molding cooling device, injection molding cooling treatment of a high polymer material can be rapidly carried out in water cooling, air cooling and air exhaust modes, meanwhile, cooling uniformity is good, the machining quality of the high polymer material is effectively improved, and the cooling device is convenient to disassemble and easy to clean and maintain.
Owner:WUHU XUSHENG PRECISION TECH CO LTD

Die cavity bottom with octagonal cooling water channel, forming assembly and blank injection die

The utility model discloses a mold cavity bottom with an octagonal cooling water channel, a forming assembly and a blank injection mold. The mold cavity bottom with the octagonal cooling water channel comprises a mold cavity bottom body; a mold cavity bottom forming area, a pouring channel and a mold cavity injection section are sequentially arranged in the mold cavity bottom body in the axial direction. A cooling water channel surrounding the outer sides of the mold cavity bottom forming area and the pouring channel is also arranged in the mold cavity bottom body; the cooling water channel comprises eight cooling channels which are sequentially connected into a ring; a water inlet hole and a water outlet hole which extend inwards are oppositely formed in the periphery of the die cavity bottom body, and the water inlet hole and the water outlet hole are both communicated with the cooling water channel; the cooling uniformity of each position of the molding area at the bottom of the mold cavity is improved, a more ideal cooling effect is achieved, and the molding effect of a bottle blank is ensured; similarly, the cooling effect of each position of the cooling water channel is approximately equal to that of the pouring channel, so that the cooling uniformity of the pouring channel is improved.
Owner:GUANG DONG XING LIAN PRECISE MACHINERY

Rapid cooling method and device for preparing metal and alloy powder through gas atomization

The invention relates to the technical field of powder metallurgy, and discloses a rapid cooling method and device for preparing metal and alloy powder through gas atomization, and the method comprises the following steps: S1, smelting a metal or alloy melt in a smelting chamber until the metal or alloy melt is molten into metal or alloy liquid meeting process requirements, the liquid enters the atomization device through the temperature-resistant metal and alloy liquid corrosion-resistant liquid guide pipe, and the metal or alloy liquid flowing through the atomization device enters the atomization device under the action of sonic inert gas; the device comprises a smelting chamber, an atomizing chamber and an atomizing device, the smelting chamber is arranged above the atomizing device and connected with the atomizing device through a flow guide pipe, the atomizing device is installed above the atomizing chamber, and the atomizing device is communicated with the atomizing chamber. The powder discharging pipe communicates with the atomizing chamber, smooth conveying of metal and alloy powder is achieved, the air powder mixing channel is connected with the extending channel and the expanding channel, the gradually-shrinking and gradually-expanding airflow channel design is formed, and the mixing and cooling efficiency of airflow and powder can be improved.
Owner:HUNAN JINHAO ALUMINUM IND

Ice crystal concentration system and concentration method thereof

The invention relates to an ice crystal concentration system which comprises an ice crystal generation unit, the feeding end of the ice crystal generation unit is connected with the discharging end of a tubular heat exchanger through a first pipe set, and the ice crystal generation unit comprises a plurality of ice crystal generation modules which are sequentially cascaded. Each ice crystal generation module comprises an ice crystal generator and a centrifugal machine which are sequentially connected in series; the tubular heat exchanger precools materials, the precooled materials flow into the ice crystal generating units, the ice crystal generator in each ice crystal generating module freezes the precooled materials so as to form ice slurry, and the ice slurry is subjected to solid-liquid separation through the corresponding centrifugal machine, so that ice crystals in the ice slurry are separated out. Further, the materials are subjected to step-by-step freezing concentration. By arranging the multi-stage ice crystal generation module, the concentration time can be greatly shortened, so that the concentration efficiency is improved, and the energy consumption is reduced; meanwhile, volatilization and loss of aromatic substances can be avoided, and juice quality is guaranteed.
Owner:JIANGSU KAIYI INTELLIGENT SCI & TECH CO LTD

Quenching and tempering treatment device for glass panel

The utility model relates to the technical field of glass panel tempering, and discloses a glass panel quenching and tempering treatment device which comprises a treatment box, a heating cavity is formed in one side of the interior of the treatment box, a feeding port is formed in one side of the heating cavity, a cooling cavity is formed in the other side of the interior of the treatment box, and a discharging port is formed in one side of the cooling cavity. Through the arrangement of the transfer cavity, the heating cavity is isolated from the cooling cavity, so that direct heat exchange between the heating cavity and the cooling cavity is reduced, the temperature difference between the heating cavity and the cooling cavity is ensured, and the quenching and tempering effects of a glass panel are ensured; the left baffle and the right baffle are alternately lifted, it is guaranteed that the heating cavity, the transfer cavity and the cooling cavity cannot communicate at the same time, and therefore the quenching and tempering efficiency of the glass panel is further guaranteed.
Owner:ZHONGSHAN JIECHANG ELECTRONIC TECH CO LTD

Production method for efficiently and high-quality producing X70 petroleum pipeline steel plate with length being 3 times of length

The invention aims to provide a method for producing X70 pipeline steel by using a TMCP type plate assembly with the length of 3 times of length. The method comprises the following steps: adopting low C and low S as components, ensuring that the outbound hydrogen content of refined molten steel is less than 1.5 ppm, performing hot charging and hot delivery on a 260mm continuous casting blank, performing plate assembly on a mother plate with the length of 3 times of length, cooling after rolling, changing the water quantity and the roller speed to control cooling compensation, and performing temperature pile cold hydrogen evolution after edge cutting, so as to obtain the X70 pipeline steel with the TMCP type length of 3 times of length. The thickness specification of 12-25 mm is achieved, and the width meets the pipe diameter phi of 1016 mm. The process route comprises the steps of converter BOF, refining, continuous casting, plate blank hot charging and hot delivery (cooling to below 550 DEG C through a water cooling device before charging), TMCP, finishing (rapid stack cooling and fixed-length marking after trimming) and finished product obtaining, the structure mainly comprises bainite and acicular ferrite, the strength difference of the head, the middle and the tail is within 50 MPa, the steel plate performance meets the steel grade requirement, and the production cost is low. The flaw detection of the steel plate can meet the level that 10dB is added on the basis of the ISO10893-9-2011-A1-2020 (detection of layered defects in a strip plate for manufacturing the ninth part of welded steel pipes in nondestructive testing of steel pipes) standard.
Owner:HUNAN VALIN XIANGTAN IRON & STEEL CO LTD

Spraying adjusting method for controlling ovality in PE pipe production process

The invention discloses a spraying adjusting method for controlling ovality in a PE pipe production process, which comprises the following steps: a plurality of spraying heads are mounted on the inner wall surface of a water tank at intervals, and the plurality of spraying heads are symmetrically arranged by taking the central position of the water tank as a central point when being mounted; symmetrically-arranged spraying heads are connected through a connecting rope and calibrated through a calibration device, and if the connecting rope passes through the center point of the water tank, it is judged that the spraying heads are aligned to the center position of the pipe; if the connecting rope does not pass through the central point of the water tank, judging that the spray header is not aligned with the central position of the pipe, then adjusting the position of the connecting rope to enable the connecting rope to pass through the central point of the water tank, and rotating the spray header to adjust the angle of the spray header according to the adjusted connecting rope to enable the orientation of the end part of the spray header to be consistent with the direction of the connecting rope; and judging that the spray header is aligned with the central position of the pipe. It can be guaranteed that the end of the spraying head is accurately aligned with the center position of the pipe, and then the surface of the pipe is evenly sprayed in the spraying process.
Owner:SHANDONG DONGHONG PIPE IND

Uniform cooling device for automobile aluminum casting

The invention relates to the technical field of aluminum casting production, and discloses an automobile aluminum casting uniform cooling device which comprises a cooling pond, the left side face of the cooling pond is fixedly connected with a cooling temperature controller, the left side face of the cooling temperature controller is fixedly connected with a water conveying pipe, and the top face of the cooling pond is fixedly connected with a supporting frame. According to the aluminum casting cooling device, paddles rotate and stir cooling water to enable the cooling water to continuously flow, the contact efficiency of the cooling water and an aluminum casting is improved, then the cooling uniformity is improved, when a movable bottom plate moves downwards, a sliding sleeve shaft and the paddles are pushed to move downwards, and the cooling efficiency is improved. The paddle is kept at the position below the movable bottom plate all the time, cooling water always flows near the aluminum casting, the cooling efficiency is improved, the sliding sleeve shaft and the paddle are jacked up through the abutting ring, the paddle is kept near the aluminum casting to stir the cooling water, and the cooling efficiency is further improved.
Owner:SHEXIAN TIANRUI MACHINERY EQUIPMENT CO LTD

Cooling growth base station

The utility model relates to the technical field of chemical vapor deposition growth, in particular to a cooling growth base station. A cooling growth base station comprises a cooling supporting table, the cooling supporting table is an integrated cooling supporting table formed through 3D printing, a cooling channel is formed in the integrated cooling supporting table in a printing mode, the deformation resistance of the cooling supporting table is integrally improved, and the cooling channel is formed in the integrated cooling supporting table in a printing mode, so that the cooling effect is improved. The structure, the position and the like of the cooling channel are more accurate, it is guaranteed that the cooling uniformity of the cooling supporting table is better, the cooling channel can be arranged close to the upper surface of the cooling supporting table as far as possible through integrated forming, the cooling capacity of the cooling supporting table is improved, temperature balance of the single crystal diamonds is guaranteed, and the growth quality of the single crystal diamonds is good.
Owner:河南天璇半导体科技有限责任公司

Cooling device for converter flue oxygen lance opening

The utility model discloses a cooling device for a converter flue oxygen lance opening, which belongs to the technical field of converter equipment and comprises a shell, a plurality of water inlet runners and a plurality of water outlet runners. A water inlet header and a water outlet header are annularly arranged on the periphery of the shell, and a communicating box is annularly arranged at the inclined opening end of the shell. The multiple water inlet flow channels are arranged in the circumferential direction of the shell and located in the side, close to the inner wall, of the shell. The multiple water outlet flow channels are arranged in the circumferential direction of the shell and located in the side, close to the outer wall, of the shell. As the water inlet runner, the water outlet runner and the shell are formed by integral casting, the oxygen lance opening has few structural weak parts, and the oxygen lance opening is strong in integral structure and is not easily damaged by external impact. The water inlet runner and the water outlet runner are separated in the inner wall and the outer wall of the shell respectively, so that the overall cooling uniformity of the oxygen lance opening is high, a heat concentration area is avoided, the structure of the oxygen lance opening is effectively protected, the service life of the oxygen lance opening is remarkably prolonged, and the maintenance rate is reduced.
Owner:HUNAN VALIN LIANYUAN IRON & STEEL CO LTD

Steam potassium cooling and curing device

The invention relates to the technical field of steam cooling, in particular to a steam potassium cooling and curing device which comprises a steam potassium cooling mechanism, the steam potassium cooling mechanism comprises a shell fixedly connected to the upper end face of a base, a steam circulation assembly is arranged in the shell, and a storage assembly is arranged in the middle of the interior of the shell. The interior of the shell is divided into a high-voltage area and a low-voltage area through the containing assembly, and a capturing assembly is arranged in the containing assembly. Through a steam circulating assembly, a storage assembly, a capturing assembly and a discharging assembly in the steam potassium cooling mechanism, steam potassium can be conveyed, potassium which is cooled and crystallized in advance and potassium which is finally cooled and crystallized can be collected, and potassium which is crystallized in a low-pressure area is obtained through the discharging assembly; the excessive crystallization of potassium is effectively avoided, so that the consistency and the stability of the product quality are ensured, and impurities or non-uniform structures generated due to excessive crystallization are reduced.
Owner:CHANGYI RONGXIN CHEM CO LTD

Cooling and stirring structure of heating furnace for preparing hydrogen storage materials

The utility model belongs to the technical field of heating furnaces for preparing and storing hydrogen materials, and particularly discloses a cooling and stirring structure of a heating furnace for preparing and storing hydrogen materials, which comprises a cooling fan arranged outside a heating furnace body and a cooling component positioned in the heating furnace body, and the cooling fan is communicated with the cooling component through an air inlet pipe; a supporting assembly is arranged on the outer side of the air inlet pipe and connected with the cooling assembly, an air cylinder is arranged at the top of the heating furnace body, and the output end of the air cylinder is connected with the supporting assembly and used for driving the cooling assembly to move vertically. The cooling assembly is arranged in the heating furnace body, the cooling assembly is communicated with the external cooling fan to further cool a melt-spinning sheet falling off from the cooling roller in an accelerated mode, the air cylinder is connected with the cooling assembly, ascending and descending of the cooling assembly are achieved, and the melt-spinning sheet is crushed and stirred. The specific surface area of the material is greatly increased, the surface sites of the hydrogen storage material for adsorbing hydrogen are increased, and the hydrogen storage efficiency is effectively improved.
Owner:XIAN INJIE INTELLIGENT EQUIPMENT TECHNOLOGY CO LTD

Cooling control system of three-dimensional laser cutting machine

The invention discloses a three-dimensional laser cutting machine cooling control system which comprises a cooling module and a monitoring module, the cooling module comprises a cooling-water machine and a cooling assembly connected to the surface of a laser head in a sleeving mode, the cooling assembly comprises a shell and a flow mixing piece, a mixing cavity is formed in the shell, and the mixing cavity is gradually reduced from one end of the shell to the other end of the shell; and a central control module. The monitoring module is used for monitoring the cooling assembly in real time, the flow speed or temperature of cooling liquid supplied by the cooling-water machine is adjusted to ensure that the laser cutting head is in a specific temperature state, and due to the fact that the two liquid inlet cavities are different in size, the cooling liquid entering from the bottom rapidly enters the liquid outlet cavity to be mixed with the cooling liquid entering from the top; and the situation that the cooling effect on the laser cutting head is reduced due to the fact that the temperature of the cooling liquid in the liquid outlet cavity is increased too fast is avoided, and therefore circumferential cooling of the laser cutting head is free of dead corners, the cooling uniformity of the laser cutting head is better, and the service life of the laser cutting head is prolonged.
Owner:ANHUI UNITED INTELLIGENT EQUIP CO LTD

Cooling device for forming machining of high-toughness aluminum alloy casting

The utility model discloses a cooling device for high strength and toughness aluminum alloy casting forming processing, and relates to the technical field of high strength and toughness aluminum alloy casting forming cooling devices, the cooling device comprises supporting legs, a fixing screw rod, a guide frame, a water diversion plate and a flow guide pipe, the fixing screw rod, a water storage bin and a bearing plate are installed above the supporting legs, a water storage tank is arranged above the water storage bin, a guide frame, rollers and a filter screen are installed on the side face of the water storage tank, a water distribution plate, a flow guide pipe and a water pump are arranged on the inner side of the water storage tank, the filter screen is slidably connected to the left side of the water storage tank, dismounting and cleaning are convenient, cleanliness of cooling water is guaranteed, and the service life of equipment is prolonged; the guide frame is in threaded connection with the supporting legs, so that the whole equipment is convenient to disassemble and maintain.
Owner:RUGAO HONGYANGYU MOLD MANUFACTURING CO LTD

High-performance 35CrMo steel stud based on subcritical quenching process and preparation method of high-performance 35CrMo steel stud

The invention discloses a high-performance 35CrMo steel stud based on a subcritical quenching process. The high-performance 35CrMo steel stud comprises a steel stud body and a composite laser cladding layer arranged on the surface of the steel stud body, the steel stud body is prepared from the following components in percentage by mass: 0.32 to 0.40 percent of C, 0.17 to 0.35 percent of Si, 0.42 to 0.63 percent of Mn, 0.93 to 1.08 percent of Cr, 0.17 to 0.25 percent of Mo, 0.14 to 0.28 percent of Ni, 0.09 to 0.25 percent of Ti and the balance of Fe and inevitable impurities. The heat treatment process based on subcritical quenching is adopted, the self-made quenching liquid is matched, the ultrasonic effect is assisted, the toughness of the 35CrMo steel stud can be remarkably improved, and meanwhile the 35CrMo steel stud has high strength; and a laser cladding surface treatment process is further combined, so that the surface strength, wear resistance and high temperature resistance of the steel stud can be greatly improved.
Owner:WUXI STANDARD PARTS FACTORY CO LTD

Well type quenching cooling device

The utility model relates to a well type quenching cooling device, which comprises a well type rack, a lifting appliance, a rotating device and an external spraying system, the rotating device is arranged at the top of the well type rack, the external spraying system comprises an external pipeline and external spraying nozzles, the external spraying nozzles are uniformly arranged on the external pipeline along the circumferential direction and the axial direction of the well type rack, and the external spraying nozzles are arranged on the external pipeline. The outer pipeline is externally connected with a water supply system, the lifting appliance is used for fixing a quenching workpiece to suspend the quenching workpiece in the middle of the well type rack, and the lifting appliance is supported on the rotating device and is driven by the rotating device to rotate. According to the utility model, the quenching workpiece can rotate in the well type rack, the spraying dead angle is eliminated, the spraying amount received by the workpiece in the circumferential direction is uniform, the cooling speed is consistent, and the phenomenon that the quality and the performance of the steel pipe are seriously influenced by deformation bending or local cracking of the quenching or cooling steel pipe is greatly reduced or eliminated.
Owner:JIANGYIN JIANGYUAN MASCH MFG CO LTD

Extrusion device for the production of cables

The application belongs to the technical field of cable manufacturing device, and particularly relates to an extrusion forming device for cable manufacturing, which comprises an extruder and a flaw detection-heat dissipation system, wherein the flaw detection-heat dissipation system comprises a flaw detection device, an air cooling device and a water cooling device; the extruder is provided with an extrusion pipe on the right side; the flaw detection device comprises a ray generator and a protective shell, a glass tube is arranged in the protective shell, the glass tube is in communication with the extrusion pipe on the left side, and the extruded cable is transmitted to the flaw detection device through the extrusion pipe on the right side; the air cooling device comprises an air cooling device shell, a heat dissipation exchange window, a blower and a circulating device; the extruder and the flaw detection-heat dissipation system are organically combined, the integration of the cable forming, flaw detection and cooling is realized, and the problems of the existing equipment, such as process dispersion and low efficiency, are effectively solved. The implementation of the application can significantly improve the production efficiency and product quality of the cable manufacturing, reduce the production cost, and has important economic value for the cable production industry.
Owner:TONGLE CABLE (JIANGSU) CO LTD

Bottom plate for cooling silicon steel coil

ActiveCN224590982USolve the problem of limited heat dissipation conditionsImprove cooling conditions
This utility model relates to the field of silicon steel coil processing technology, specifically disclosing a base plate for cooling silicon steel coils. It includes: a first base plate arranged in a plurality of circumferential arrays and a second base plate arranged in a plurality of circumferential arrays. The array axes of the first and second base plates are collinear, and the first and second base plates are staggered. The two sides of the top surface of each first base plate are fixedly connected to one edge of the bottom surface of two second base plates, forming a heat dissipation groove between the top surface of each first base plate and the edges of the two connected second base plates. The heat dissipation groove of this base plate significantly improves the heat dissipation conditions at the bottom of the silicon steel coil, increases the heat dissipation area, promotes air convection, and allows heat to be dissipated more quickly and evenly. This solves the problem of limited heat dissipation conditions when silicon steel coils are statically cooled, achieving the effect of improving cooling speed and uniformity, and improving product quality.
Owner:CHONGQING WANGBIAN ELECTRIC GRP CORP

A heat treatment method for improving railway wheel structure and performance uniformity

The invention discloses a heat treatment method for improving the uniformity of railway wheel structure and performance, belonging to the technical field of railway wheel manufacturing. The heat treatment method comprises the following steps: heating the entire wheel to complete austenitization; spraying the wheel tread with cooling water of increasing flow rate, and the flow rate of cooling water of each spray gun is set to L With quenching time t The water flow rate is gradually increased with the extension of the rim, and the two are controlled to meet a specific linear function relationship, and the peak water flow rate is maintained for at least 90 seconds; the wheel is in a self-rotating state during the spray quenching process; the wheel is placed in a tempering furnace for heat preservation, and then taken out for air cooling. The present invention performs precise linear increase control of the cooling water flow rate for wheels with different rim thicknesses, realizes a balanced change in the radial cooling of the rim part, and ensures the uniformity of the structure and performance of the entire cross-section of the rim.
Owner:MAANSHAN MAGANG JINXI RAIL TRANSPORT EQUIP

A warm and cold speed-controllable heat treatment furnace device and method

PendingCN122588326Aaccurate collectionMeet post-weld heat treatment needs
The present application relates to the technical field of metal material heat treatment, in particular to a heat treatment furnace device and method capable of controlling temperature and cooling speed, wherein the furnace body is internally constituted as a hearth, the output end of the air supply system is located at the lower region of the hearth through the furnace body; the flow equalizing system is arranged at the lower region of the hearth and is in communication with the output end of the air supply system; the workpiece is placed on the flow equalizing system; the circulation and exhaust system is arranged at the upper region of the hearth and is in communication with the interior of the hearth, the temperature monitoring system is arranged on the circulation and exhaust system and is directly above the workpiece; the control system is electrically connected with the air supply system, the circulation and exhaust system and the temperature monitoring system. The present application effectively solves the problems of insufficient cooling speed and poor cooling uniformity in the prior art.
Owner:XIAN THERMAL POWER RES INST CO LTD +1